showpic.java

用java实现随机漫步问题的分析．详细内容见说明文档．

/*
 * ShowPic.java  Beta 1.0 
 *
 * Copyright 2007 Grassoft. All rights reserved.
 */
package wanderer;

import javax.swing.*;
import java.awt.*;

/**
 *
 * 继乘javax.swing.JPanel,实现步数分布图乡的绘制。
 */
public class ShowPic extends JPanel {

    private Dimension d;
    private Color c;
    private Graphics g;
    private Map map;

    @Override
    protected void paintComponent(Graphics g) {
        map = WanderThread.map;
        if (map == null) {
            return;
        }
        d = this.getSize();
        for (int i = 0; i < map.Widt; i++) {
            for (int j = 0; j < map.Heig; j++) {
                //System.out.println(map.locat[i][j]);
                c = new Color((int) ((map.locat[i][j]*100)%255), 0, 0);
                g.setColor(c);
                g.fillRect((int) (i * (double) d.width / map.Widt), (int) (j * (double) d.height / map.Heig), (int) (d.width / (double) map.Widt), (int) (d.height / (double) map.Heig));
            }
        }
    }
}